环形图echarts 配置项内容和展示

       var data1 = [
                { value: 9998, name: "长安区" },
                { value: 10220, name: "碑林区" },
                { value: 9897, name: "沣东新城" },
                { value: 12054, name: "沣西新城" },
                { value: 1230, name: "其他区县" }
            ];
            var colorList = [
                "#02F2F3",
                "#68B5FB",
                "#D45A49",
                "#F3E58D",
                "#C0FE5D",
                "#15DE57",
                "#F9F936"
            ];


option = {
   tooltip: {
                    trigger: "item",
                    formatter: "{a} <br/>{b}: {c} ({d}%)"
                },
                legend: {
                    orient: "vertical",
                    bottom: "25%",
                    right: "5%",
                    textStyle: {
                        fontSize: 14,
                        color: "black"
                    },
            formatter:function(name){
            const item = data1.filter((item) => item.name === name)[0];
            return `${name}：${item.value}人`;
        }
                },
                series: [
                    {
                        type: "pie",
                        center: ["30%", "50%"],
                        radius: ["60%", "80%"],
                        avoidLabelOverlap: false,
                        label: {
                            show: false,
                            position: "center"
                        },
                        itemStyle: {
                            normal: {
                                color: function(params) {
                                    return colorList[params.dataIndex];
                                }
                            }
                        },
                        emphasis: {
                            label: {
                                show: true,
                                position: "outside",
                                fontSize: "20",
                                formatter: function(params) {
                                    var percent = 0;
                                    var total = 0;
                                    for (var i = 0; i < data1.length; i++) {
                                        total += data1[i].value;
                                    }
                                    percent = (
                                        (params.value / total) *
                                        100
                                    ).toFixed(0);
                                    if (params.name !== "") {
                                        return (
                                            params.name +
                                            "\n" +
                                            params.value +
                                            "人" +
                                            "\n" +
                                            "占百分比：" +
                                            percent +
                                            "%"
                                        );
                                    } else {
                                        return "";
                                    }
                                }
                            }
                        },
                        labelLine: {
                            show: false
                        },
                        data: data1
                    }
                ]
};